20210384

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23833}}^1$

素因数の和:23894

約数の個数: 20

約数和(自身を含む): 39898116

約数和(自身を除く): 19687732

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23833, 47666, 95332, 190664, 381328, 1263149, 2526298, 5052596, 10105192, 20210384]

約数ペア:

[(1, 20210384), (2, 10105192), (4, 5052596), (8, 2526298), (16, 1263149), (53, 381328), (106, 190664), (212, 95332), (424, 47666), (848, 23833)]